func (p *promH) graphCmd(ctx context.Context, w hugot.ResponseWriter, m *hugot.Message) error { defText, defGraph := false, false if !hugot.IsTextOnly(w) { defText = true defGraph = false } else { defText = false defGraph = true } _ = m.Bool("t", defText, "Render the graphs as text sparkline.") webGraph := m.Bool("g", defGraph, "Render the graphs as a png.") dur := m.Duration("d", 15*time.Minute, "how far back to render") if err := m.Parse(); err != nil { return err } if len(m.Args()) == 0 { return fmt.Errorf("you need to give a query") } q := strings.Join(m.Args(), " ") s := time.Now().Add(-1 * *dur) e := time.Now() if *webGraph { nu := *p.URL() nu.Path = nu.Path + "graph/thing.png" qs := nu.Query() qs.Set("q", q) qs.Set("s", fmt.Sprintf("%d", s.UnixNano())) qs.Set("e", fmt.Sprintf("%d", e.UnixNano())) nu.RawQuery = qs.Encode() m := hugot.Message{ Channel: m.Channel, Attachments: []hugot.Attachment{ { Fallback: "fallback", Pretext: "image", ImageURL: nu.String(), }, }, } w.Send(ctx, &m) return nil } qapi := prom.NewQueryAPI(*p.client) d, err := qapi.QueryRange(ctx, q, prom.Range{s, e, 15 * time.Second}) if err != nil { return err } switch d.Type() { case model.ValScalar: m := d.(*model.Scalar) glog.Infof("scalar %v", m) case model.ValVector: m := d.(model.Vector) glog.Infof("vector %v", m) case model.ValMatrix: mx := d.(model.Matrix) sort.Sort(mx) for _, ss := range mx { l := line(ss.Values) fmt.Fprintf(w, "%v\n%s", ss.Metric, l) } case model.ValString: m := d.(*model.String) glog.Infof("matrix %v", m) case model.ValNone: } return nil }